Cobalt-free batteries could power cars of the future
Many electric vehicles are powered by batteries that contain cobalt—a metal that carries high financial, environmental, and social costs.
Many electric vehicles are powered by batteries that contain cobalt—a metal that carries high financial, environmental, and social costs.
Materials Science
Jan 20, 2024
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A research team consisting of the National Institute for Materials Science (NIMS) and SoftBank Corp. has found that voltage hysteresis in Li2RuO3—a high-energy-density rechargeable battery cathode material—is caused by ...
Materials Science
Jan 18, 2024
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Ions are everywhere, from our daily surroundings to the cosmic expanse. As common table salt (NaCl) dissolves into sodium (Na+) and chloride (Cl-) ions in water, it imparts a salty taste. Once absorbed by the body, these ...
Analytical Chemistry
Jan 10, 2024
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Carbon dioxide is the main contributor to greenhouse gas emissions, which are responsible for global warming and climate change. Direct capture of CO2 in the air is one of the solutions proposed to reduce its concentration ...
Analytical Chemistry
Dec 11, 2023
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This week, we reported on new developments in lithium-ion batteries, and a real industrial pollution hat trick with stories on coal, lead and microplastics.
Researchers who are working to find alternatives to lithium-ion batteries have turned their attention to potassium-ion batteries. Potassium is an abundant resource, and the technology functions in much the same way as lithium-ion ...
Nanomaterials
Oct 27, 2023
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Emissions associated with mining operations in Africa's Copperbelt can be quantified from space, according to new research led by the National Center for Atmospheric Research (NCAR).
Earth Sciences
Oct 10, 2023
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A few years ago, there was a panic about lithium-ion batteries that exploded and could do things like take down a jetliner. On a recent trip, an airline asked passengers to turn in any devices with batteries that had been ...
Space Exploration
Aug 15, 2023
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Rechargeable lithium-ion batteries power smartphones, electric vehicles and storage for solar and wind energy, among other technologies.
Materials Science
Aug 2, 2023
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Carbon dioxide levels in Earth's atmosphere—and, consequently, ocean temperatures—are rising. How high and how fast ocean temperatures can rise can be learned from temperature measurements of ancient oceans. At the same ...
Earth Sciences
Aug 1, 2023
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